/*
 * Copyright 2010 Chad Retz
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.jdocng.parse.qdox.function;

import org.jdocng.parse.qdox.QDoxContext;
import org.jdocng.shared.model.AnnotationDescImpl;
import org.jdocng.shared.model.ClassDocImpl;
import org.jdocng.shared.model.PackageDocImpl;

import com.thoughtworks.qdox.model.JavaPackage;

/**
 * Construct {@link PackageDocImpl} from {@link JavaPackage}
 *
 * @author Chad Retz
 */
public class PackageFunction extends DocFunction<JavaPackage, PackageDocImpl> {

    private static final PackageFunction instance = new PackageFunction();
    
    public static PackageFunction getInstance() {
        return instance;
    }
    
    protected PackageFunction() {
    }
    
    @Override
    public PackageDocImpl apply(QDoxContext context, JavaPackage from) {
        PackageDocImpl to = new PackageDocImpl();
        apply(context, from, to);
        //persist
        context.getPackages().put(to.name(), to);
        return to;
    }
    
    @Override
    public void apply(QDoxContext context, JavaPackage from, PackageDocImpl to) {
        super.apply(context, from, to);
        to.setAnnotations(new AnnotationDescImpl[from.getAnnotations().length]);
        for (int i = 0; i < from.getAnnotations().length; i++) {
            to.annotations()[i] = AnnotationDescFunction.getInstance().
                    apply(context, from.getAnnotations()[i]);
        }
        to.setAllClasses(new ClassDocImpl[from.getClasses().length]);
        for (int i = 0; i < from.getClasses().length; i++) {
            to.allClasses()[i] = ClassFunction.getFunction(from.getClasses()[i]).
                    apply(context, from.getClasses()[i]);
        }
    }

}
